Aphetto Grifter — ruling 1

You may tap any untapped permanents you control with the appropriate creature type (including this creature) to pay the cost of the ability, including creatures that haven't been under your control continuously since the beginning of your most recent turn.

Aphetto Grifter : règles, fonctionnement et interactions (MTG)

Aphetto Grifter is one of those cards players keep asking about. Here is, in plain words, what its official text says, the rulings published by Wizards of the Coast, and the combos players actually run.

Official card text

Tap two untapped Wizards you control: Tap target permanent.

How it works : Aphetto Grifter

Original English text — Wizards of the Coast / Scryfall

#1October 4, 2004· Wizards of the Coast
You may tap any untapped permanents you control with the appropriate creature type (including this creature) to pay the cost of the ability, including creatures that haven't been under your control continuously since the beginning of your most recent turn.
No other card is named in this ruling.